Hi, I recently replaced my Plusnet router and Youview box with one provided by BT and since then the programmes have been virtually unwatchable due to endless pixelating. I use a couple of BT Homespot 600 Wi-Fi extenders( one for the TV the other the router) which are on different ring mains but obviously both connected to the same consumer unit so i am wondering whether the extenders have degraded somewhat and replacing with powerline adaptors ( I dont need the extended wifi any more) will fix the problem . Resetting the extenders works but only for a few hours then it gets progressively worse. Oddly enough, i don't have the same issues with any of the other broadband TV programmes, only BT Sport. Any suggestions?